●The super comfortable ear cups are made of thickened noise-absorbing foam with an NRR value of 35 dB and highly effective noise shielding ●The improved metal headband is more durable and durable. Generous space inside the ear cups ensures breathability and comfort ●Retractable stainless steel headband with 360° rotating ear cups, adjustable for most sizes from children to adults ●Ideal for noise cancellation at shooting ranges, hunting, airports, sporting events, study, woodworking, lawn care and heavy machinery ●Proven quality for a quiet world